Home / 2,672.28-3,688.78-2,392.02

Finding the Fourth Proportional to 2,672.28, 3,688.78 and 2,392.02

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Solution

The fourth proportional to 2,672.28, 3,688.78 and 2,392.02 is: 3,301.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,672.28 : 3,688.78 = 2,392.02 : x
  2. Step 2: Convert to fraction form
    2,672.28/3,688.78 = 2,392.02/x
  3. Step 3: Cross multiply
    2,672.28x = 3,688.78 × 2,392.02
  4. Step 4: Simplify right side
    2,672.28x = 8,823,629.56
  5. Step 5: Solve for x
    x = 8,823,629.56/2,672.28
  6. Step 6: Final answer
    x = 3,301.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.